package day0823;
import java.util.Scanner;
/**
 * @Author:galaxy_yan
 * @Date: 2022/8/27
 * @Time: 10:16
 * @Description
 */
public class text6 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNextInt()) {

            int x = scanner.nextInt();

            int y = scanner.nextInt();

            int z = scanner.nextInt();

            Sub sub = new Sub(x, y, z);

            System.out.println(sub.calculate());

        }

    }



}



class Base {



    private int x;

    private int y;



    public Base(int x, int y) {

        this.x = x;

        this.y = y;

    }



    public int getX() {

        return x;

    }



    public int getY() {

        return y;

    }



}



class Sub extends Base {



    private int z;



    public  Sub(int x, int y, int z) {

       super(x,y);
       this.z=z;

    }

    public int getZ() {

        return z;

    }



    public int calculate() {

        return super.getX() * super.getY() * this.getZ();

    }
}

